The adams arms p1 moe is the introductory model to the p-series.This model features ergonomic mid-length moe handguards, the standard adjustable picatinny railed piston system, a magpul moe 6-position stock and moe grip, and an enhanced trigger guard.The p1 moe is perfect for any and all ar enthusiasts looking for a self-cleaning, piston driven rifle that provides superior performance.Action: Semi-AutoCaliber: 5.56x45mm NATOBarrel Length: 16"Capacity: 30+1Trigger: Standard G.I.Oal: 33"Weight: 7 lbsStock Description: 6 Position Magpul MOEMuzzle: A2 Flash HiderReceiver Material: AluminumSights: None, Optic ReadyBarrel Description: 4150 Chrome Moly VanadiumTwist: 1:7"Barrel Length Range: 16" to 16.99"Weight Range: 7 lbs to 7.99 lbsHand: RightStock Finish Group: BlackMetal Finish Group: Blued/Black